Home / 125,864,031.05-173,694,162.32-72,227,432.91

Finding the Fourth Proportional to 125,864,031.05, 173,694,162.32 and 72,227,432.91

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Solution

The fourth proportional to 125,864,031.05, 173,694,162.32 and 72,227,432.91 is: 99,674,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,864,031.05 : 173,694,162.32 = 72,227,432.91 : x
  2. Step 2: Convert to fraction form
    125,864,031.05/173,694,162.32 = 72,227,432.91/x
  3. Step 3: Cross multiply
    125,864,031.05x = 173,694,162.32 × 72,227,432.91
  4. Step 4: Simplify right side
    125,864,031.05x = 12,545,483,455,826,448
  5. Step 5: Solve for x
    x = 12,545,483,455,826,448/125,864,031.05
  6. Step 6: Final answer
    x = 99,674,890.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.